Prime-Line Matte Black Interior or Bed/Bath Hall/Closet Single-Cylinder Deadbolt and Keyed Entry Door Knob

Add classic vintage styling and dependable keyed security to interior doors with the Prime-Line E 28338 Mortise Keyed Lock Set. Designed for antique door restorations, historic home renovations, and traditional interior applications, this mortise lock set combines the timeless elegance of clear glass knobs with durable modern construction. Whether replacing a worn mortise lock or upgrading the hardware on an older interior door, this lock set provides an authentic period-correct appearance with convenient keyed operation. The lock set features attractive matte black trim paired with decorative glass knobs, creating a refined look that complements vintage, farmhouse, Victorian, and traditional home décor. The steel mortise lock body is designed for both left- and right-hand door installations, providing installation flexibility for a wide range of applications. The keyed lock mechanism can be operated from both sides of the door, delivering dependable privacy and security where needed. Designed for doors with a 2-3/8 in. backset, this mortise lock set is ideal for replacement and restoration projects involving existing mortise-lock door preparations. Installation is straightforward, and a thread-locking adhesive can be applied to the set screw if additional retention is desired. Compare dimensions and door preparation requirements with your existing hardware before purchasing to ensure compatibility.